package com.itheima.reggie.Controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.Service.EmployeeService;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Employee;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.apache.ibatis.javassist.compiler.ast.Variable;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSessionAttributeListener;
import java.time.LocalDateTime;

//1,查询用户信息
//2,对比密码错误
//3,判断员工状态
//返回json格式的数据
@RestController
@Slf4j//任务日志
//设置路径
@RequestMapping("/employee")
public class EmployeeController {
    @Autowired
    EmployeeService employeeService;

    //登录失败
    @PostMapping("/login")
    public R<Employee> longin(HttpServletRequest request, @RequestBody Employee employee) {
        //1、将页面提交的密码password进行md5加密处理
        String password = employee.getPassword();
        password = DigestUtils.md5DigestAsHex(password.getBytes());
        //2、根据页面提交的用户名username查询数据库
        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(Employee::getUsername, employee.getUsername());
        Employee emp = employeeService.getOne(queryWrapper);
        //3、如果没有查询到则返回登录失败结果
        if (emp == null) {
            return R.error("账号登录失败");
        }
        //4、密码比对，如果不一致则返回登录失败结果
        if (!emp.getPassword().equals(password)) {
            return R.error("密码登录失败");
        }
        //5、查看员工状态，如果为已禁用状态，则返回员工已禁用结果
        if (emp.getStatus() == 0) {
            return R.error("账号禁用");
        }
        //6、登录成功，将员工id存入Session并返回登录成功结果
        request.getSession().setAttribute("employee", emp.getId());
        return R.success(emp);
        //

    }

    @PostMapping("/logout")
    public R<String> logout(HttpServletRequest request) {
        //清理Session中保存的当前登录员工的id
        request.getSession().removeAttribute("employee");
        return R.success("退出成功");
    }

    /*
    新填员工
     */
    @PostMapping
    public R<String> save(HttpServletRequest request, @RequestBody Employee employee) {
        log.info("新增员工，员工信息{}", employee.toString());
        //设置初始密码
        employee.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));
        //设置新的时间
        employee.setCreateTime(LocalDateTime.now());
        //设置更新时间
        employee.setUpdateTime(LocalDateTime.now());
        //获得当前登录用户id
        long empld = (long) request.getSession().getAttribute("employee");
        employee.setCreateUser(empld);
        employee.setUpdateUser(empld);
        employeeService.save(employee);
        return R.success("添加员工成功");
    }
    @GetMapping("/page")
    public R<Page>page(int page,int pageSize,String name){
        log.info("page = {},pageSize = {},name = {}",page,pageSize,name);
        Page pageInfo = new Page(page,pageSize);
        //构造条件构造器
        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper();
        //添加过滤条件
        queryWrapper.like(StringUtils.isNotEmpty(name),Employee::getName,name);
        //添加排序条件
        queryWrapper.orderByDesc(Employee::getUpdateTime);
        //执行查询
        employeeService.page(pageInfo,queryWrapper);
        return R.success(pageInfo);
    }
    @PutMapping
    public R<String>update(HttpServletRequest request,@RequestBody Employee employee){
        log.info(employee.toString());
        Long empId = (Long)request.getSession().getAttribute("employee");
        //设置更新时间
        employee.setUpdateTime(LocalDateTime.now());
        //设置更新用户
        employee.setUpdateUser(empId);
        employeeService.updateById(employee);
        return R.success("员工信息修改成功");
    }
    @GetMapping("/{id}")
    public R<Employee> getid(@PathVariable long id){
        log.info("根据id查看员工消息");
        Employee byId = employeeService.getById(id);
        if (byId!=null){
            return R.success(byId);
        }
        return R.error("没有员工消息");
    }

}
